25472246 has 4 divisors (see below), whose sum is σ = 38208372. Its totient is φ = 12736122.

The previous prime is 25472231. The next prime is 25472257. The reversal of 25472246 is 64227452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368060 + ... + 6368063.

It is an arithmetic number, because the mean of its divisors is an integer number (9552093).

Almost surely, 2^25472246 is an apocalyptic number.

25472246 is a deficient number, since it is larger than the sum of its proper divisors (12736126).

25472246 is a wasteful number, since it uses less digits than its factorization.

25472246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736125.

The product of its digits is 26880, while the sum is 32.

The square root of 25472246 is about 5047.0036655426. The cubic root of 25472246 is about 294.2314419260.

Adding to 25472246 its reverse (64227452), we get a palindrome (89699698).

The spelling of 25472246 in words is "twenty-five million, four hundred seventy-two thousand, two hundred forty-six".